A tunable dual-wavelength fiber Bragg grating(FBG)laser based on a distributed feedback(DFB)laser injection is proposed and experimentally demonstrated.The wavelength spacing can be tuned by adjusting the operation te...A tunable dual-wavelength fiber Bragg grating(FBG)laser based on a distributed feedback(DFB)laser injection is proposed and experimentally demonstrated.The wavelength spacing can be tuned by adjusting the operation temperature of the DFB laser.When the DFB works at 25℃,a dual-wavelength simultaneous oscillation at 1 549.67 nm and1 553.44 nm with wavelength spacing of 3.77 nm is achieved.Our experimental results demonstrate the new concept of dual-wavelength lasing with a DFB laser injection and the technical feasibility.展开更多
基金supported by the National Natural Science Foundation of China(No.60777020)the Hubei Provincial Natural Science Fund of China(No.2008CDB317)the Innovation Project of Hubei Provincial Department of Education of China(No.104892013038)
文摘A tunable dual-wavelength fiber Bragg grating(FBG)laser based on a distributed feedback(DFB)laser injection is proposed and experimentally demonstrated.The wavelength spacing can be tuned by adjusting the operation temperature of the DFB laser.When the DFB works at 25℃,a dual-wavelength simultaneous oscillation at 1 549.67 nm and1 553.44 nm with wavelength spacing of 3.77 nm is achieved.Our experimental results demonstrate the new concept of dual-wavelength lasing with a DFB laser injection and the technical feasibility.
